Impact wrench



FIG. 1 is a front perspective view of the impact wrench;

FIG. 2 is a right side view thereof, the left side view is not shown as it is a mirror image of the right side view; and

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken lines are shown in the views for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an impact wrench, as shown and described. 